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REFRACTORY PLASTICS

Plastic refractories have often been defined as firebrick in plastic or moldable form. They are commonly rammed into place by hand, or by the use of special rammers. The application covers a wide range of boilers, soaking pits, slab and billet heating furnaces, forge furnaces and many others’ special furnace. The plastics have demonstrated their superiority. A properly installed plastic lining has many advantages. 1.Eliminates joints. 2.Install quickly and not necessary for the special brick shapes or sizes. 3.Lower thermal conductivity than brick. 4.High thermal shock resistance. 5.Can be securely anchored to a back-up wall or steel casing, forming bulge-proof walls.

 \ 代號 Brand
特性質Properties
PL17 PL16 PL15 PL14 PLZR PL1850
最高使用溫度 (℃) 
Max. Service Temp.
1700 1600 1500 1400 1650 1800
施工需要量 (T/M3)
Quantity Required
2.50 2.40 2.35 2.25 2.90 2.95
體密度 (g/cm3)
Bulk Density
110℃×24hrs
( )℃×3hrs
2.35
2.40
(1500)
2.30
2.30
(1500)
2.20
2.20
(1400)
2.05
2.00
(1300)
2.80
2.80
(1500)
2.90
2.90
(1500)
耐壓強度 (kg/cm2)
Compressive Strength
110℃×24hrs
1000℃×3hrs
( )℃×3hrs
≧90
≧200
(1500)
≧300
≧70
≧180
(1500)
≧300
≧60
≧160
(1400)
≧250
≧50
≧120
(1400)
≧250
≧60
≧180
(1500)
≧300
≧90
≧250
(1500)
≧400
再熱變形率 (%) ( )℃×3hrs
Permanent Linear Change
+0.5
(1500)
+0.35
(1500)
-0.4
(1400)
-0.5
(1400)
-0.8
(1500)
-0.5
(1500)
熱傳導率(kcal/m.hr.℃)
Thermal Conductivity
500℃ 1.2 0.9 0.8 0.7 1.2 1.8
化學成份 (%)
Chemical Composition
Al2O3
SiO2
P2O5
ZrO2
70
25
1
---
60
34
1
---
50
45
1
---
40
54
1
---
28
24
1
40
90
5
1
---

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No.336,Ren-ai Rd.,Chung Chuang,Daliao Shiang, Kaohsiung County 831, Taiwan(R.O.C) Tel:07-7031966  Fax:07-7031968